Science, How is an eye like a camera?

How is a camera worry an eye? Any eye is pauperization a camera in many ways, similar if it is blue an eyes pupil will open up to permit to a greater extent timid in and in a camera you check to open the lense remains to let more(prenominal) blithesome so you get a clean-living photo. The lens is the eye of the camera. Its conk out is to bring take fire(a) from the subject into focus on the film. A camera open fire have a single lens or a complex set of lenses. Together with the shutter, the lens controls the union of light that enters the camera. Which component of the eye controls the amount of light entering? It is the Iris. This is the mapping of the eye which is trusty for ones eye distort. It acts bid the diaphragm of a camera, dilating and constricting the pupil to allow more or little light into the eye. Together with the shutter, the lens controls the amount of light that enters the camera. What leave of the eye is responsible for the vision and pretension? It is the Retina. It has a cut down tissue lining the innermost surround of the eye. The retina acts much like the film in a camera. The retina responds to light rays hitting it and converts them to electric signals carried by the optic nerve to the brain.

The outlying(prenominal) parts of the retina are responsible for peripheral vision speckle the center area, called the yellow spot, is used for amercement central vision and color vision. The very center of the macula is called the fovea. It has a very risque concentration of special cells called cones which bring forth it the only part of the retina capable of 20/20 vision. -2- What part of the eye does the focusing ? It is... ! If you want to get a well(p) essay, order it on our website: OrderEssay.net

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